Using an effective and functional ecommerce shopping cart is central to making profit with an online business. If the ecommerce platform is too complicated or doesn't work in any capacity, potential customers will simply click to a different site. While a navigable shopping cart is great way to get customers browsing, enticing potential buyers to click the "add" button is a different challenge. Consumers are more likely make purchases when offered varied shipping options and other shipping incentives. Different shopping cart platforms offer various levels of customizable shipping. As the retail website owner, you may want to know the differences. You may save yourself some cash by setting up a free open source shopping cart, but if you can't control shipping cost, will you lose customers? There are many premium shopping cart platforms available on the Internet, so consider all your ecommerce options below.